Kohler k241a Rebuild

[Terry C]

That will ruin the bearing. They make bearing pullers, they look like two halves of a circle with a bolt on each side to keep it together. It's thin in the center to get on the backside of the bearing
Best to let whoever is going to grind the crank take those off.

[J-Mech]

Originally Posted by Terry C

That will ruin the bearing. They make bearing pullers, they look like two halves of a circle with a bolt on each side to keep it together. It's thin in the center to get on the backside of the bearing
Best to let whoever is going to grind the crank take those off.

The OP is talking about the PTO bearing. Not the main bearing.


Yes, you can use a jaw puller, but the lock collar must be removed first. A member here makes a fabulous tool to remove the basket pulley.

http://www.onlycubcadets.net/forum/s...26&postcount=2

[Terry C]

Originally Posted by J-Mech

The OP is talking about the PTO bearing. Not the main bearing.


Yes, you can use a jaw puller, but the lock collar must be removed first. A member here makes a fabulous tool to remove the basket pulley.

http://www.onlycubcadets.net/forum/s...26&postcount=2

Sorry I should have read the previous post closer

[J-Mech]

Originally Posted by Terry C

Sorry I should have read the previous post closer

It happens. Your spot on about pulling the main though.

Although, they usually come off pretty easy.

[Bigsauce]

I took the lock screw and nut off of the locking collar but it won't move, I'm probably forgetting something obvious. I'll post a picture in a little of it. Also, I took a close look at the piston and noticed among the scratches was a tiny stamp that read "MS 339 3-1" tried looking it up and came back with nothing. I also noticed the crankshaft bearings are stamped Japan. I have to put all the pics on my computer and then I'll post them in a little bit.

[ol'George]

Originally Posted by Bigsauce

I took the lock screw and nut off of the locking collar but it won't move, I'm probably forgetting something obvious. I'll post a picture in a little of it. Also, I took a close look at the piston and noticed among the scratches was a tiny stamp that read "MS 339 3-1" tried looking it up and came back with nothing. I also noticed the crankshaft bearings are stamped Japan. I have to put all the pics on my computer and then I'll post them in a little bit.

Begs. are prolly Koyo, nothing wrong with that
Been using them since 1964 no problems.

[J-Mech]

Originally Posted by Bigsauce

I took the lock screw and nut off of the locking collar but it won't move, I'm probably forgetting something obvious. I'll post a picture in a little of it. Also, I took a close look at the piston and noticed among the scratches was a tiny stamp that read "MS 339 3-1" tried looking it up and came back with nothing. I also noticed the crankshaft bearings are stamped Japan. I have to put all the pics on my computer and then I'll post them in a little bit.

You do know that the lock collar is spun onto the bearing. They both have an eccentric circle on them that locks together. You should spin it opposite of shaft rotation to unlock.

The MS number on the piston is a Kohler number. You won't find it. Pistons are bought in conjunction with a pin and two clips. That assembly has a different part number. You can't buy a piston by itself, but that is the part number for it.

Like George said about the bearings, they may be Koyo. They are good bearings and it's likely they are still good. They seldom need replacing.

[Bigsauce]

Here's a photo of what I'm having trouble with. The bearing itself spins freely of the locking collar. Jmech you said to unlock the locking collar from the bearing itself. The collar won't spin by hand I tried by hitting the locking collar with a punch clockwise but it still doesn't unlock.

[J-Mech]

Originally Posted by Bigsauce

Here's a photo of what I'm having trouble with. The bearing itself spins freely of the locking collar. Jmech you said to unlock the locking collar from the bearing itself. The collar won't spin by hand I tried by hitting the locking collar with a punch clockwise but it still doesn't unlock.

Did you remove the set-screw in the collar?

[Yosemite Sam]

Clockwise is the correct direction to unlock the collar... A PO may have tightened it the wrong way, smack it pretty hard, if it doesn't unlock one way, try the other. It will break loose.